<ul class="nav nav-tabs">
  <li class="nav-item">
    <a class="nav-link active" [routerLink]="['./main']">我的主页</a>
  </li>
  <li class="nav-item">
    <a class="nav-link" [routerLink]="['./follow']">我的关注</a>
  </li>
</ul>
<router-outlet></router-outlet>
